Angular 8 面试题与答案

Question: What is the Angular TestBed used for in testing?

Answer: The TestBed in Angular testing is a configuration and testing utility that provides methods for configuring and creating testing modules. It is used to create a controlled environment for testing Angular components, services, and other constructs.

Example:

TestBed.configureTestingModule({
  declarations: [AppComponent],
  providers: [DataService],
});